PROBLEMS 2.1. A furnace is enclosed by walls made (from inside out) of 8 in. of kaolin firebrick, 6 in. of kaolin insulating brick, and 7 in. of fireclay brick. What is the heaț loss per square foot...

A furnace is enclosed by walls made (from inside out) of 8 in. of kaolin firebrick, 6 in. of kaolin insulating brick, and 7 in, of fireclay brick. What is the heat loss per square foot of wall when the inside of the furnace is maintained at 2200°F and the outside at 200°F?

Extracted text: PROBLEMS 2.1. A furnace is enclosed by walls made (from inside out) of 8 in. of kaolin firebrick, 6 in. of kaolin insulating brick, and 7 in. of fireclay brick. What is the heaț loss per square foot of wall when the inside of the furnacę is maintained at 2200°F and the outside at 200°F?